125673420 has 48 divisors (see below), whose sum is σ = 357664608. Its totient is φ = 32962560.

The previous prime is 125673413. The next prime is 125673421. The reversal of 125673420 is 24376521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (125673421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13509 + ... + 20828.

It is an arithmetic number, because the mean of its divisors is an integer number (7451346).

Almost surely, 2^125673420 is an apocalyptic number.

125673420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125673420 is an abundant number, since it is smaller than the sum of its proper divisors (231991188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125673420 is a wasteful number, since it uses less digits than its factorization.

125673420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34410 (or 34408 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 125673420 is about 11210.4156925602. The cubic root of 125673420 is about 500.8962857171.

The spelling of 125673420 in words is "one hundred twenty-five million, six hundred seventy-three thousand, four hundred twenty".